Homebrew PCBs

On 12/06/2010 01:22, Donald H Locker wrote:
> Most any hardware store should carry it.  Big box stores need to deal in large volumes to keep the margins up -- try a local hardware.
>
> I'm not sure what you want the NaOH for.  You can use that to neutralise FeCl when you want to dispose of it, but for CuCl, all you need is H2O2 (hydrogen peroxide) from the druggist (3%) or beauty supply (12%) is better.

NaOH is often used for developing the resist after UV exposure. I buy 
mine from the local hardware store.

Leon
-- 
Leon Heller
G1HSM